I tried but I couldn't find the toolbox anywhere in the trunk, all that is left there is a spare tire and some tools for replacing the tire.

I didn't see a toolbox, could it be under the spare tire?

I can't remove the cover because I lack the necessary tools. Is there anything else I can check?

Also, is it dangerous to drive without fixing this problem?

Alright so here's the problem. Yesterday I was driving somewhere, and as I was parking, some white smoke started coming from under my hood, and there was a pretty nasty smell. I popped the hood and saw that the oil cap flew off and there was oil all over the engine and was dripping onto the concrete...